266625315 has 72 divisors (see below), whose sum is σ = 530318880. Its totient is φ = 123594240.

The previous prime is 266625287. The next prime is 266625319. The reversal of 266625315 is 513526662.

It is a happy number.

266625315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 266625315 - 2⁶ = 266625251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 266625315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266625319) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 124171 + ... + 126299.

It is an arithmetic number, because the mean of its divisors is an integer number (7365540).

Almost surely, 2^266625315 is an apocalyptic number.

266625315 is a deficient number, since it is larger than the sum of its proper divisors (263693565).

266625315 is a wasteful number, since it uses less digits than its factorization.

266625315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185 (or 2171 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 266625315 is about 16328.6654384245. The cubic root of 266625315 is about 643.6263175212.

The spelling of 266625315 in words is "two hundred sixty-six million, six hundred twenty-five thousand, three hundred fifteen".